All-time weather records — Martensdale, IA
Climate change signal in Martensdale
of Martensdale's all-time daily heat records were set in the last decade (20 of 366 records since 2015).
of all-time daily cold records were set in the last decade (20 of 366 records since 2015).
If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:
| Decade | Heat records set | # | Cold records set | # |
|---|---|---|---|---|
| 1890s | 21 | 35 | ||
| 1900s | 10 | 25 | ||
| 1910s | 18 | 25 | ||
| 1920s | 26 | 24 | ||
| 1930s | 97 | 20 | ||
| 1940s | 34 | 25 | ||
| 1950s | 31 | 22 | ||
| 1960s | 11 | 34 | ||
| 1970s | 16 | 49 | ||
| 1980s | 32 | 43 | ||
| 1990s | 18 | 19 | ||
| 2000s | 15 | 12 | ||
| 2010s | 32 | 27 | ||
| 2020s | 5 | 6 |
Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1893, the latest in 2022. Period of observation: 1893-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 90.0°F — Jan 24, 1897 | -33.0°F — Jan 31, 2019 | 2.39 in — Jan 12, 1960 |
| February | 79.0°F — Feb 24, 1930 | -35.0°F — Feb 3, 1996 | 1.89 in — Feb 17, 1911 |
| March | 89.1°F — Mar 29, 1895 | -20.0°F — Mar 1, 1962 | 2.06 in — Mar 15, 1945 |
| April | 91.9°F — Apr 10, 1930 | -2.0°F — Apr 6, 1982 | 3.41 in — Apr 18, 2013 |
| May | 106.0°F — May 30, 1934 | 21.0°F — May 1, 1909 | 3.40 in — May 11, 1912 |
| June | 105.1°F — Jun 26, 1934 | 36.0°F — Jun 4, 1945 | 5.66 in — Jun 5, 1947 |
| July | 111.9°F — Jul 19, 1934 | 39.9°F — Jul 30, 1984 | 5.61 in — Jul 29, 2015 |
| August | 113.0°F — Aug 8, 1934 | 34.0°F — Aug 4, 1915 | 8.90 in — Aug 26, 1977 |
| September | 104.0°F — Sep 8, 1947 | 17.1°F — Sep 8, 1984 | 11.21 in — Sep 19, 1931 |
| October | 95.0°F — Oct 2, 1953 | 3.9°F — Oct 30, 1925 | 3.95 in — Oct 11, 1973 |
| November | 82.0°F — Nov 1, 1938 | -11.0°F — Nov 28, 1896 | 70.00 in — Nov 7, 1937 |
| December | 70.0°F — Dec 5, 2017 | -26.0°F — Dec 23, 1989 | 2.65 in — Dec 17, 1895 |
Click a month to see every daily record for that month in Martensdale.